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Posted on: Sat, 01/06/2001 - 2:44pm
jukes's picture
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Joined: 08/29/2002 - 09:00

I know that this is an older thread but I did find a study that discusses the use of peanut oil and testing in allergic people
It states
"Randomised, double blind, crossover challenge study of allergenicity of peanut oils in subjects allergic to peanuts
Jonathan O'B Hourihane, clinical research fellow,a
Simon J Bedwani, medical student,a
Taraneh P Dean, senior research fellow,a John O Warner, professor a
a University Department of Child Health Mailpoint 803 Southampton General Hospital Southampton SO16 6YD
Correspondence and reprint requests to: Dr Hourihane
Objective: To determine the in vivo allergenicity of two grades of peanut oil for a large group of subjects with proved allergy to peanuts.
Design: Double blind, crossover food challenge with crude peanut oil and refined peanut oil.
Setting: Dedicated clinical investigation unit in a university hospital.
Subjects: 60 subjects allergic to peanuts; allergy was confirmed by challenge tests.
Outcome measures: Allergic reaction to the tested peanut oils
Results: None of the 60 subjects reacted to the refined oil; six (10%) reacted to the crude oil. Supervised peanut challenge caused considerably less severe reactions than subjects had reported previously.
Conclusions: Crude peanut oil caused allergic reactions in 10% of allergic subjects studied and should continue to be avoided. Refined peanut oil did not pose a risk to any of the subjects. It would be reasonable to recommend a change in labelling to distinguish refined from crude peanut oil.
Key messages
Peanut (groundnut) allergy is the most common cause of deaths related to food allergy. Peanut oil is often suspected of causing reactions to meals in which a more obvious source of peanut cannot be found
Refined peanut oil is odourless and flavourless and is commonly used in catering. Crude peanut oil, which is known to contain considerable amounts of protein is used only rarely, when a peanut flavour is deliberately required
In vivo challenges of 60 subjects with proved peanut allergy showed no reaction to refined peanut oil, but six (10%) reacted to the crude peanut oil
If refined peanut oil is used properly and is not reused after cooking peanuts, it seems to be safe for most people with peanut allergy; crude oil represents a risk
The confusing use of the term groundnut oil should be stopped, and food labelling should distinguish between refined and crude oils"
Hope this clarifies a bit ...
Sharon

Posted on: Wed, 10/17/2001 - 11:53am
erik's picture
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Joined: 05/15/2001 - 09:00

The peanut allergy is to the peanut protein. Therefore, a pure refined oil may have no protein = no reaction.
However, I will never eat anything with peanut oil. There is no guarantee that the oil will be 100% protein free, any even a trace of protein could cause a reaction. Any many peanut oils do contain protein...
So I would recommend avoiding peanut oil to be safe.. I won't go near it myself.

Posted on: Sat, 11/24/2001 - 4:29pm
niteflight's picture
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Joined: 11/25/2001 - 09:00

I'm pretty severely allergic to peanuts, but love Tim's Cascade Potato chips. I haven't had any problem with them. I ate some sunflower seeds roasted in peanut oil just today. A good many Chinese restaurants cook in peanut oil. You may be getting it by accident.
A much more disturbing idea was a notice I read a while back about the peanut growers lobby wanting to market "high protein" peanut flour to use in crackers and breads. That would be bad.
On a somewhat related subject: I once ate some "peanut soup" by accident at a Chinese restaurant where I was working. A waiter there told me to eat some Pineapple. It alleviated the symptoms big time. Years later, I mentioned this to a friend who had majored in Chemistry at Harvard. She told me there is an enzyme in pineapple that destroys the protien in peanuts. I told this to a severe peanut allergy friend of mine. Now, like me, he carries a can of pineapple juice in his car. He has had a few episodes, and swears by it. I have mentioned it to allergists before, but they disclaim any knowledge of this.

Posted on: Fri, 06/01/2001 - 2:32pm
Corvallis Mom's picture
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Joined: 05/22/2001 - 09:00

They aren't!
I mean, no, the OIL is always safe... at least in theory. The problem is that we live in a world where nothing's perfect, including processing an oil from its source.
As long as the protein itself isn't present, you won't have a problem, but peanut is a really risky thing to gamble with! Even after the oil has been heated to very high temperatures, the protein component remains highly allergenic (this is one of the primary characteristics of a highly allergenic protein of any kind). In a highly allergic person, the amount of peanut protein needed to cover this period . could be 100 times the amount needed to cause anaphylaxis.
Not a good risk, but one which IS still within some people's comfort zones. (Not mine, however!) Hot processing actually can make the oil contamination problem worse, but cold pressed oils are extremely dangerous too, because the higher pressures needed can cause greater protein transfer to the oil. Even with a manufacturer whose products are reasonably safe (Planters was reputedly so for a long time)...well, we all know here manufacturers can change methods at whim! [img]http://uumor.pair.com/nutalle2/peanutallergy/frown.gif[/img]
Sorry for the earlier error via omission!
[This message has been edited by Corvallis Mom (edited June 02, 2001).]
[This message has been edited by Corvallis Mom (edited June 02, 2001).]
[This message has been edited by Corvallis Mom (edited June 02, 2001).]

Posted on: Fri, 06/01/2001 - 2:44pm
Sue's picture
Sue
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Joined: 02/13/1999 - 09:00

Someone else posted this link earlier and it has great information on peanut oil.
the article states that "Unrefined or '[b]cold pressed[/b]' peanut oil, or 'gourmet oil' with peanut material added for flavour are dangerous.
[url="http://www.user.globalnet.co.uk/~aair/nuts.htm#PNUTOIL"]http://www.user.globalnet.co.uk/~aair/nuts.htm#PNUTOIL[/url]
Sue in Sunny Arizona
[This message has been edited by Sue (edited June 02, 2001).]

Posted on: Fri, 06/01/2001 - 11:26pm
Mathew L's picture
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Joined: 05/30/2001 - 09:00

im not highly allergic though i was tested as being a 3 at like 8 years old and since then i think its gotten even less. I remember kids would eat peanut butter and jelly near me and i'd feel like throwing up but now that stuff doesnt bother me i just hate the smell out of conditioning =).

Posted on: Tue, 02/17/2004 - 11:11pm
MommaBear's picture
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Joined: 09/23/2002 - 09:00

reraising.

Posted on: Mon, 06/07/2004 - 11:03pm
MommaBear's picture
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Joined: 09/23/2002 - 09:00

reraising.

Posted on: Tue, 01/30/2001 - 9:51pm
Gabrielle's picture
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Joined: 05/23/2000 - 09:00

TELL YOUR DOCTOR HE NEEDS MORE EDUCATION! SOme types of peanut oil CAN KILL YOUR CHILD! How can these doctors be so stupid?
Since there is no way of knowing what type you are injesting.... (hot or cold pressed...) be safe and avoid them all!!!!From what I understand....(Hot pressed goes through a heating process that can the proteins that cause reactions..(CAN>>>>If it is done correctly) Cold pressed does not go through this process and can be fatal to a peanut allergic person! check on search in this site, to find out more info that has been posted. Call a QUALIFIED ALLERGIST and ask.... then let your doctor KNOW he is handing out ignorant and deadly information!!!!

Posted on: Tue, 01/30/2001 - 10:31pm
Claire's picture
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Joined: 04/19/2000 - 09:00

Gabrielle I totally am with you,and another thing is that even if there are certain oil he can have it may get to confusing and the child may except something off limits without knowing. SAY NO to any peanut oil.

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